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52302 (1991 RL8)
Classification: Main-belt Asteroid          SPK-ID: 2052302
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915814663960665 1.5088e-07  
a 2.295756046225429 1.282e-08 AU
q 1.855931736401926 3.4358e-07 AU
i 7.37691477216828 1.0539e-05 deg
node 21.44180583473269 4.2112e-05 deg
peri 338.0743384855078 4.6298e-05 deg
M 190.0547689423008 2.4379e-05 deg
tp 2457400.282117782209
(2016-Jan-12.78211778)
8.86e-05 JED
period 1270.536166609384
3.48
1.0642e-05
2.914e-08
d
yr
n .2833449448044551 2.3733e-09 deg/d
Q 2.735580356048933 1.5276e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      8243 days (22.57 yr)  
   first obs. used      1991-09-12  
   last obs. used      2014-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .626  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:56:15  

Additional Information
 Earth MOID = .854052 AU 
 T_jup = 3.560 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO257213  

52302 (1991 RL8)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar (675)
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RL8 = 1998 SF5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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